cvelist/2021/32xxx/CVE-2021-32847.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-32847",
        "STATE": "PUBLIC",
        "TITLE": "Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "hyperkit",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "0.20210107",
                                            "version_value": "0.20210107"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "moby"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-125 Out-of-bounds Read"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/",
                "refsource": "CONFIRM",
                "url": "https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/"
            },
            {
                "name": "https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316",
                "refsource": "MISC",
                "url": "https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316"
            },
            {
                "name": "https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f",
                "refsource": "MISC",
                "url": "https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f"
            }
        ]
    },
    "source": {
        "advisory": "GHSL-2021-058",
        "defect": [
            "GHSL-2021-058"
        ],
        "discovery": "UNKNOWN"
    }
}